GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 031 alternative (n) Something that may or must exist, be taken or chosen, or done instead of something else altitude (n) Vertical distance or elevation above any point or base-level, as the sea alto (n) The lowest or deepest female voice or part altruism (n) Benevolence to others on subordination to self-interest altruist (n) One who advocates or practices altruism altruistic (adj) unselfish amalgam (n) An alloy or union of mercury with another metal amalgamate (v) To mix or blend together in a homogeneous body